﴿مُهْطِعِينَ مُقْنِعِي رُءُوسِهِمْ لَا يَرْتَدُّ إِلَيْهِمْ طَرْفُهُمْ ۖ وَأَفْئِدَتُهُمْ هَوَاءٌ﴾ (43) Racing ahead, their heads raised up, their glance does not come back to them,[663] and their hearts are void.
